NUS law professor in sex-for-grades probe is a former district judge:

Yahoo! News Singapore, 26 Jul 2012 The National University of Singapore associate law professor currently being investigated in a sex-for-grades scandal is former district judge Tey Tsun Hang. According to The New Paper (TNP) exclusive on Wednesday, the professor was arrested in April and is now out on bail. The Corrupt Practices Investigation Bureau has him under probe for allegedly having sex with a 23-year-old law student – who has since graduated – in exchange for better grades for an elective course she was enrolled in last year.